18068988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{857}}^1$

素因数の和:1122

約数の個数: 48

約数和(自身を含む): 48432384

約数和(自身を除く): 30363396

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 251, 502, 753, 857, 1004, 1506, 1714, 1757, 2571, 3012, 3428, 3514, 5142, 5271, 5999, 7028, 10284, 10542, 11998, 17997, 21084, 23996, 35994, 71988, 215107, 430214, 645321, 860428, 1290642, 1505749, 2581284, 3011498, 4517247, 6022996, 9034494, 18068988]

約数ペア:

[(1, 18068988), (2, 9034494), (3, 6022996), (4, 4517247), (6, 3011498), (7, 2581284), (12, 1505749), (14, 1290642), (21, 860428), (28, 645321), (42, 430214), (84, 215107), (251, 71988), (502, 35994), (753, 23996), (857, 21084), (1004, 17997), (1506, 11998), (1714, 10542), (1757, 10284), (2571, 7028), (3012, 5999), (3428, 5271), (3514, 5142)]